What is a crystal?

a. a type of rock

b. the smallest unit of an element

c. an artificial, decorative substance

d. a solid made of atoms arranged in an orderly fashion

Write the condensed electron configuration of each transition metal ion, and predict whether it is paramagnetic: (a) V³⁺ (Z = 23) (b) Ni²⁺ (Z = 28) (c) La³⁺ (Z = 57)

Chlorine gas has a pressure of 1.05 atm at 25°C. What pressure will it exert at 75°C?

Is there any correlation between hardness and density of minerals?

The number of daughter cells that reault feom meiosis 1 is

Water's molar mass is 18.01 g/mol. The molar mass of methanol is 32.01 g/mol. At room temperature, water is 64% more viscous than methanol. Which substance has the stronger intermolecular attraction?

Is S + O2-> 2H2O + 483.6 KJ exothermic or endothermic

An aspirin tablet contains 81.0 mg of aspirin, which has the molecular formula, c9h8o4.

If you have 6 moles of CH4 how many moles of H2O can be produced

What is the definition of substance in your own words.

A 1.3 g sample of gold (specific heat capacity = 0.130 J/g °C) is heated using 86.9 J of energy. If the original temperature of the gold is 25.0°C, what is its final temperature?